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erica [24]
2 years ago
8

Salve this a equation: 2.2x+19.246=2-2.36x ?

Mathematics
2 answers:
Elodia [21]2 years ago
4 0

Answer:

4.56x=-17.246

x=-17.246/4.56

x-3.78

I would appreciate if my answer is chosen as a brainliest answer

Cloud [144]2 years ago
4 0

Answer:

x=−  

2280

8623

​

Step-by-step explanation:

2.2x+19.246=2−2.36x

Add 2.36x to both sides.

2.2x+19.246+2.36x=2

Combine 2.2x and 2.36x to get 4.56x.

4.56x+19.246=2

Subtract 19.246 from both sides.

4.56x=2−19.246

Subtract 19.246 from 2 to get −17.246.

4.56x=−17.246

Divide both sides by 4.56.

x=  

4.56

−17.246

​

 

Expand  

4.56

−17.246

​

 by multiplying both numerator and the denominator by 1000.

x=  

4560

−17246

​

 

Reduce the fraction  

4560

−17246

​

 to lowest terms by extracting and canceling out 2.

x=−  

2280

8623

​

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1. Maryann is tracking the change in her vertical jump over 6 months. Use the table to write a linear function that models her j
ArbitrLikvidat [17]

Answer:

Part 1) Option A. f of x equals one half times x plus 16

Part 2) Option  A. x = 5

Part 3) Option C. x − 4y = −9

Part 4) Option A. The number of rides is the independent variable, and the total cost is the dependent variable.

Step-by-step explanation:

Part 1)

Let

x -----> the number of months

y ----> vertical jump in inches

step 1

Find the slope

we have the points

(0,16) and (2,17)

m=(17-16)/(2-0)=\frac{1}{2}

The equation of the line in slope intercept form is

y=mx+b

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substitute

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convert to function notation

f(x)=y

f(x)=\frac{1}{2}x+16

Part 2) What is the equation of a line that contains the points (5, 0) and (5, −2)?

step 1

Find the slope

we have the points

(5, 0) and (5, −2)

m=(-2-0)/(5-5)=\frac{-2}{0}

the slope is undefined

This is a vertical line (parallel to the y-axis)

therefore

The equation is

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Part 3) Choose the equation that represents a line that passes through points (−1, 2) and (3, 1)

step 1

Find the slope

we have the points

(−1, 2) and (3, 1)

m=(1-2)/(3+1)=-\frac{1}{4}  

step 2

Find the equation of the line into point slope form

y-y1=m(x-x1)

we have

m=-\frac{1}{4}

point\ (3, 1)

substitute

y-1=-\frac{1}{4}(x-5)

Convert to standard form

Multiply by 4 both sides to remove the fraction

4y-4=-(x-5)

4y-4=-x+5

x-4y=-4-5

x-4y=-9

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we know that

The <u>independent variable</u> is the variable whose change isn’t affected by any other variable (An example the age and time)

The <u>dependent variable</u> it’s what changes as a result of the changes to the independent variable (An example of a dependent variable is how tall you are at different ages. The dependent variable (height) depends on the independent variable (age))

Let

x ----> the number of rides

y ----> the total cost in dollars

In this problem

The independent variable or input is the number of rides

The dependent variable or output is the total cost

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Step-by-step explanation:

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